The Smart Fortwo MHD has been available in Europe since October 2007. MHD is Smart-talk for a stop/start system and stands for Micro Hybrid Drive. UK versions of the 61bhp and 71bhp Smart will have MHD from October 2008, while the punchier 84bhp and Brabus models will have it in 2009.
Time for CAR to take one out for a traffic-jam test drive.
How does the Smart Fortwo’s MHD stop/start work?
Bigger stop/start systems like that in the A-class BlueEfficiency add a belt-driven starter-generator, but keep the conventional starter motor for cold starts. In the Smart, both the starter and alternator are replaced by the starter-generator.
The system generates electricity to charge the battery when the driver is braking, and automatically cuts the engine when the speed drops below 8km/h (about 5mph). It then re-starts the engine when the driver releases the brakes.
Time for CAR to take one out for a traffic-jam test drive.
How does the Smart Fortwo’s MHD stop/start work?
Bigger stop/start systems like that in the A-class BlueEfficiency add a belt-driven starter-generator, but keep the conventional starter motor for cold starts. In the Smart, both the starter and alternator are replaced by the starter-generator.
The system generates electricity to charge the battery when the driver is braking, and automatically cuts the engine when the speed drops below 8km/h (about 5mph). It then re-starts the engine when the driver releases the brakes.
No comments:
Post a Comment